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Từ điển Oxford Learners Wordfinder Dictionary
impulse


noun
1. an instinctive motive (Freq. 10)
- profound religious impulses
Syn:
urge
Hypernyms:
motivation, motive, need
Hyponyms:
abience, adience, death instinct, death wish, Thanatos,
wanderlust, itchy feet
2. a sudden desire (Freq. 3)
- he bought it on an impulse
Syn:
caprice, whim
Derivationally related forms:
capricious (for: caprice)
Hypernyms:
desire
3. the electrical discharge that travels along a nerve fiber (Freq. 2)
- they demonstrated the transmission of impulses from the cortex to the hypothalamus
Syn:
nerve impulse, nervous impulse, neural impulse
Hypernyms:
electrical discharge
Hyponyms:
action potential
4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients) (Freq. 1)
- the pulsations seemed to be coming from a star
Syn:
pulsation, pulsing, pulse
Derivationally related forms:
pulse (for: pulse), pulsate (for: pulse), pulse (for: pulsing), pulsate (for: pulsation)
Topics:
electronics
Hypernyms:
wave, undulation
5. the act of applying force suddenly (Freq. 1)
- the impulse knocked him over
Syn:
impulsion, impetus
Derivationally related forms:
impel (for: impulsion)
Hypernyms:
drive, thrust, driving force
6. an impelling force or strength
- the car's momentum carried it off the road
Syn:
momentum
Hypernyms:
force, forcefulness, strength

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